org.apache.hadoop.hbase.io.crypto.aes

类 AES

java.lang.Object

org.apache.hadoop.hbase.io.crypto.Cipher

org.apache.hadoop.hbase.io.crypto.aes.AES

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public class AES
extends Cipher

AES-128, provided by the JCE

Algorithm instances are pooled for reuse, so the cipher provider and mode are configurable but fixed at instantiation.

字段概要

字段

限定符和类型	字段和说明
static String	CIPHER_MODE_KEY
static String	CIPHER_PROVIDER_KEY

从类继承的字段 org.apache.hadoop.hbase.io.crypto.Cipher

BLOCK_SIZE, IV_LENGTH, KEY_LENGTH, KEY_LENGTH_BITS, RNG_ALGORITHM_KEY, RNG_PROVIDER_KEY

构造器概要

构造器

构造器和说明
AES(CipherProvider provider)

方法概要

限定符和类型	方法和说明
InputStream	createDecryptionStream(InputStream in, Context context, byte[] iv) Create a decrypting input stream given a context and IV
InputStream	createDecryptionStream(InputStream in, Decryptor d) Create a decrypting output stream given an initialized decryptor
OutputStream	createEncryptionStream(OutputStream out, Context context, byte[] iv) Create an encrypting output stream given a context and IV
OutputStream	createEncryptionStream(OutputStream out, Encryptor e) Create an encrypting output stream given an initialized encryptor
Decryptor	getDecryptor() Return a decryptor for decrypting data.
Encryptor	getEncryptor() Get an encryptor for encrypting data.
int	getIvLength() Return the expected initialization vector length, in bytes, or 0 if not applicable
int	getKeyLength() Return the key length required by this cipher, in bytes
String	getName() Return this Cipher's name
Key	getRandomKey() Create a random symmetric key

从类继承的方法 org.apache.hadoop.hbase.io.crypto.Cipher

getProvider

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

CIPHER_MODE_KEY

public static final String CIPHER_MODE_KEY

另请参阅:

常量字段值

CIPHER_PROVIDER_KEY

public static final String CIPHER_PROVIDER_KEY

另请参阅:

常量字段值

构造器详细资料

AES

public AES(CipherProvider provider)

方法详细资料

getName

public String getName()

从类复制的说明: Cipher

Return this Cipher's name

指定者:

getName 在类中 Cipher

getKeyLength

public int getKeyLength()

从类复制的说明: Cipher

Return the key length required by this cipher, in bytes

指定者:

getKeyLength 在类中 Cipher

getIvLength

public int getIvLength()

从类复制的说明: Cipher

Return the expected initialization vector length, in bytes, or 0 if not applicable

指定者:

getIvLength 在类中 Cipher

getRandomKey

public Key getRandomKey()

从类复制的说明: Cipher

Create a random symmetric key

指定者:

getRandomKey 在类中 Cipher

返回:

the random symmetric key

getEncryptor

public Encryptor getEncryptor()

从类复制的说明: Cipher

Get an encryptor for encrypting data.

指定者:

getEncryptor 在类中 Cipher

getDecryptor

public Decryptor getDecryptor()

从类复制的说明: Cipher

Return a decryptor for decrypting data.

指定者:

getDecryptor 在类中 Cipher

createEncryptionStream

public OutputStream createEncryptionStream(OutputStream out,
                                           Context context,
                                           byte[] iv)
                                    throws IOException

从类复制的说明: Cipher

Create an encrypting output stream given a context and IV

指定者:

createEncryptionStream 在类中 Cipher

参数:

out - the output stream to wrap

context - the encryption context

iv - initialization vector

返回:

the encrypting wrapper

抛出:

IOException

createEncryptionStream

public OutputStream createEncryptionStream(OutputStream out,
                                           Encryptor e)
                                    throws IOException

从类复制的说明: Cipher

Create an encrypting output stream given an initialized encryptor

指定者:

createEncryptionStream 在类中 Cipher

参数:

out - the output stream to wrap

e - the encryptor

返回:

the encrypting wrapper

抛出:

IOException

createDecryptionStream

public InputStream createDecryptionStream(InputStream in,
                                          Context context,
                                          byte[] iv)
                                   throws IOException

从类复制的说明: Cipher

Create a decrypting input stream given a context and IV

指定者:

createDecryptionStream 在类中 Cipher

参数:

in - the input stream to wrap

context - the encryption context

iv - initialization vector

返回:

the decrypting wrapper

抛出:

IOException

createDecryptionStream

public InputStream createDecryptionStream(InputStream in,
                                          Decryptor d)
                                   throws IOException

从类复制的说明: Cipher

Create a decrypting output stream given an initialized decryptor

指定者:

createDecryptionStream 在类中 Cipher

参数:

in - the input stream to wrap

d - the decryptor

返回:

the decrypting wrapper

抛出:

IOException